package org.lztvn.elearning.service;

import java.util.List;

import org.lztvn.elearning.entities.News;

public interface INewsService {
	public Long addNews(News n);
	public void deleteNews(Long idn);
	public void modifierNews(News n);
    public News getNews(Long idn);
	public List<News> listNews();
}
